SM (Seismic Monitoring)

Question 1

The vibratory ground motion for which those features of the nuclear power plant necessary for continued operation without undue risk to the health and safety of the public will remain functional
The above defines which of the following?

A. Operating Basis Earthquake Ground Motion
B. Safe Shutdown Earthquake Ground Motion
C. Seismic Monitoring Set Point
D. Force Balance Accelerometer Threshold

Answer 1

A. Operating Basis Earthquake Ground Motion

Question 2

Which of the following is the power supply for the Seismic Monitoring cabinet?

A. NKN-D45 via NQN-D01
B. NNN-D11 with a UPS
C. NNN-D12 with a UPS
D. NNN-D12 ONLY

Answer 2

B. NNN-D11 with a UPS

Question 3

Which of the following would be considered a FALSE Seismic Monitoring Alarm?

A. No Seismic Monitoring System alarms but he earthquake is felt in all 3 control rooms
B. Any Seismic Monitoring System alarm; an earth quake is felt in the Unit 1 control room ONLY
C. OBE indicator on the alarm panel is lit; no earth quake is felt in the Unit 1 control with no wave motion observed in the spent fuel pool
D. Seismic Monitoring System alarm, an earth quake is felt in the OSBs and control room in all 3 units

Answer 3

C. OBE indicator on the alarm panel is lit; no earth quake is felt in the Unit 1 control with no wave motion observed in the spent fuel pool